John's parents recorded his height at various ages up to 66 months. They decide to use the least-squares regression line of John's height on age to predict his height at age 21 years (252 months). We conclude:

Question

Amaya Cline

Social Studies

1 September, 02:32

John's parents recorded his height at various ages up to 66 months. They decide to use the least-squares regression line of John's height on age to predict his height at age 21 years (252 months). We conclude:

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Answers (1)

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Sergio Lamb · Answer 1

Their prediction could be misleading becuase it asumes that the existing trend will continue (extrapolation).

Explanation:

If the data is the following:

Age (months) 36 48 54 60 66

Height (months) 35 38 41 43 45